Continuing up the hill, I followed a linear row...

...but it turned into a zigzag.

Then I looked at some mounds, the ones in my last post...

Then I noticed, back toward the power lines, some chestnut rails, on stones, but without the "thrown up against a zigzag rail fence stones" that are supposed to form zigzag rows...

Clearly someone wasn't following directions...

http://wakinguponturtleisland.blogspot.com/2007/01/occasional-chestnut-rail.html

http://wakinguponturtleisland.blogspot.com/2008/01/first-zigzag.html

http://wakinguponturtleisland.blogspot.com/2007/05/july-2005.html

http://wakinguponturtleisland.blogspot.com/2007/09/more-about-atv-damage.html

"A Zigzag on a Bison Skull May be North America's Oldest Art":

http://wakinguponturtleisland.blogspot.com/2007/01/oldddd-stufffff.html

http://wakinguponturtleisland.blogspot.com/2006/10/more-gary-snyder-control-burn.html

http://wakinguponturtleisland.blogspot.com/2006/10/blueberries.html